<?php
/*
 * Copyright (c) 2013 Eugene Kuzmenko
 *
 * Permission  is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in  the Software without restriction, including without limitation the rights
 * to  use,  copy,  modify,  merge, publish, distribute, sublicense, and/or sell
 * copies  of  the  Software,  and  to  permit  persons  to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The  above  copyright  notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE  IS  PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED,  INCLUDING  BUT  NOT  LIMITED  TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS  FOR  A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS  OR  COPYRIGHT  HOLDERS  BE  LIABLE  FOR  ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * For more information, see <http://www.aljey.com>.
 */

namespace Al\Doctrine\Lib;

use Al\Core\Lib\Service,
    Doctrine\ORM\Mapping\Driver\YamlDriver as BaseDriver;

/**
 * Supplies Doctrine 2 with the mapping configuration of a single entity.
 *
 * @author Eugene Kuzmenko <mail@aljey.com>
 */
class YamlDriver extends BaseDriver {
  
  /**
   * {@inheritDoc}
   */
  public function __construct() {
    parent::__construct(new MappingLocator);
  }
  
  /**
   * {@inheritDoc}
   * Returns the mapping configuration of an entity. Provides sensible defaults
   * for an entity type (eg. "entity") and and id field.
   */
  protected function loadMappingFile($namespace) {
    $map = Service::get("config.mapping.$namespace");
    if (!isset($map['type'])) {
      $map['type'] = 'entity';
    }
    if (!isset($map['table'])) {
      $ns = explode('\\', $namespace);
      $map['table'] = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2',
        $ns[count($ns) - 1]));
    }
    if (!isset($map['id'])) {
      $map['id'] = array('id' => array('type' => 'integer',
        'generator' => array('strategy' => 'AUTO')));
    }
    return array($namespace => $map);
  }
  
}